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	Annual Toxics Summary Burbank-W Palm Avenue FAQs Aluminum nanograms per cubic meter

Year	Months Present	Minimum	Median	Mean	90th Percentile	Maximum	Standard Deviation	Number of Observations	Detection Limit
2023		*	*	*	*	*	*	0	*
2022		*	*	*	*	*	*	0	*
2021		*	*	*	*	*	*	0	*
2020		*	*	*	*	*	*	0	*
2019		*	*	*	*	*	*	0	*
2018		*	*	*	*	*	*	0	*
2017		*	*	*	*	*	*	0	*
2016		*	*	*	*	*	*	0	*
2015		*	*	*	*	*	*	0	*
2014		*	*	*	*	*	*	0	*
2013		*	*	*	*	*	*	0	*
2012		*	*	*	*	*	*	0	*
2011		*	*	*	*	*	*	0	*
2010		*	*	*	*	*	*	0	*
2009		*	*	*	*	*	*	0	*
2008		*	*	*	*	*	*	0	*
2007		*	*	*	*	*	*	0	*
2006		*	*	*	*	*	*	0	*
2005		*	*	*	*	*	*	0	*
2004		*	*	*	*	*	*	0	*
2003		580	*	*	*	3000	999	5	4
2002		530	1700	1700	2600	3000	653	30	4
2001		140	1300	*	2200	2400	589	28	5
2000		250	1500	1540	2100	4000	810	31	5
1999		670	1600	*	2600	3600	736	25	5
1998		320	1300	1310	1900	3000	591	29	5
1997		600	1700	*	2600	3200	731	29	5
1996		110	1600	*	2200	2400	657	23	5
1995		180	1500	1640	2800	4500	970	31	5
1994		320	1600	*	2600	3900	803	27	5
1993		94	1800	1660	2600	3500	853	31	5
1992		480	1600	2160	2600	16000	2860	31	5
1991		280	2100	2280	3500	7500	1440	28	5
1990		1200	2500	*	4300	6900	1520	15	5
1989		*	*	*	*	*	*	0	*

	Notes:	Values below the Limit of Detection (LoD) assumed to be ½ LoD. Means and risks shown only for years with data in all 12 months. "*" means there was insufficient or no data available to determine the value.